ehumaui
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• Santa Clara, CA, USA |
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• Registered on 1/26/2003 |
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• 36 posts |
• 1 Vehicle
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 Posted:1/31/2003 13:02 |
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Under the rear leaf pack, there is long piece of steel with a rubber bump stop on it. I that what they call the overload spring?
Russell 
2000XLT V10 BBk throttle body, throttle body spacer, KN flpk, Skyjacker 6" lift, Eagle alloy 589, 35" Xterrains, Rancho 9000, Firestone air springs rear, Hellwig rear sway bar, Warn Rio Grande push bar, Custom rear tire subwoofer, custom Zoo dad mod, Too may tire changes since I lifted it! |
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monsta
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• The Big Island, HI, USA |
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• Registered on 1/5/2002 |
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• 1,056 posts |
• 2 Vehicles
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 Posted:1/31/2003 19:53 |
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No, that is called an anti-wind up spring. It is there to prevent axle wrap because the springs on our Excursions are quite soft and can make axle-wrap more pronounced.
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203008581
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• MONTGOMERY, AL, USA |
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• Registered on 11/22/2002 |
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• 73 posts |
• 1 Vehicle
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Posted:2/1/2003 13:27 |
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OK, I need spring training 101. What exactly is axle wrap? |
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monsta
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• The Big Island, HI, USA |
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• Registered on 1/5/2002 |
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• 1,056 posts |
• 2 Vehicles
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Posted:2/1/2003 16:29 |
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Okay.... 
Basically axle wrap is when the axle tries to spin the opposite way of the wheel. There are some cool mechanical & physical forces at work here.
When you have soft (read: not strong) springs is accentuates this. This is because the spring in not strong enough to resist the movement.
The lower spring is designed much like a short traction bar you saw as a kid on that cool dude of the neighborhood's Camaro hot-rod.
A larger example are ladder bars that you will find on extreme lifted trucks. Especially those with air bag suspensions.
If you need a more detailed explaination then I'll be more than happy to provide it and give examples of the forces that create axle wrap in everyday life. 
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Wheels
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• Visalia, CA, USA |
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• Registered on 1/20/2003 |
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• 214 posts |
• 1 Vehicle
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Posted:2/1/2003 18:48 |
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Glad to have you back responding Monsta  |
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The_X_Family
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• Northern, CA, USA |
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• Registered on 1/20/2003 |
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• 63 posts |
• 1 Vehicle
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shiepo
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• carson, CA, USA |
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• Registered on 6/23/2011 |
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• 75 posts |
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Posted:8/20/2011 01:18 |
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| Quote: | Under the rear leaf pack, there is long piece of steel with a rubber bump stop on it. I that what they call the overload air springs?
Russell |
monsta is right. when i was having the same problem i went to my mechanic and he told me that. |
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